Physics, asked by 2006shreyac5678, 1 month ago

the kinetic energy of a given body moving with a speed of 4 metre per second is equal to K joule find the value of its speed for which kinetic energy would be 4K Joule

Answers

Answered by thisisanurag2001

1

mv²/2= k

m×16/2 = K

m× 8 = k ...(1)

AND

MV²/2 = 4K....(2)

DIVIDING BY equation 2 by equation 1 WE HAVE

V²/16 = 4

V²= 64

v= 8m/sec

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